One of my crabs are molting under the sand and i don't want to disturb him by moving to ISO. I wanted to separate and protect him from the other crab using the 'partition' method. But the problem is, he's dug himself RIGHT NEXT to the side of the tank and placing the plastic dome around him would touch him a bit. Any ideas? Also, the other guy seems abit lethargic and has been eating alot as well. Any thoughts on whether a molter would attack another molter?